ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Fundamentals of High Temperature Processes
Molecular Dynamics Study of the Effect of Carbon Atoms on the Surface Tension of Silicon–carbon Alloy
Taka Narumi Yasushi ShibutaTakeshi Yoshikawa
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2020 Volume 60 Issue 2 Pages 199-204

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Abstract

We conducted molecular dynamics simulations of Si–C alloy to understand the atomistic behavior of solute C atoms near the melt surface and to estimate the surface tension. The surface tensions of liquid Si and C were first evaluated and compared with experimental values and those for other metals. The composition dependence of the surface tension of Si–C alloy was then evaluated, and compared with estimates obtained using the modified Butler’s model. The behavior of C atoms at the surface of liquid Si–C alloys is also discussed.

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© 2020 by The Iron and Steel Institute of Japan
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